<?php
namespace app\lib\dns;

use app\lib\DnsInterface;

class dnsla implements DnsInterface {
	private $apiid;
	private $apisecret;
	private $baseUrl = 'https://api.dns.la';
	private $typeList = [1 => 'A', 2 => 'NS', 5 => 'CNAME', 15 => 'MX', 16 => 'TXT', 28 => 'AAAA', 33 => 'SRV', 257 => 'CAA', 256 => 'URL转发'];
	private $error;
	private $domain;
	private $domainid;

	function __construct($config){
		$this->apiid = $config['ak'];
		$this->apisecret = $config['sk'];
		$this->domain = $config['domain'];
		$this->domainid = $config['domainid'];
	}

	public function getError(){
		return $this->error;
	}

	public function check(){
		if($this->getDomainList() != false){
			return true;
		}
		return false;
	}

	//获取域名列表
	public function getDomainList($KeyWord=null, $PageNumber=1, $PageSize=20){
		$param = ['pageIndex' => $PageNumber, 'pageSize' => $PageSize];
		$data = $this->execute('GET', '/api/domainList', $param);
		if($data){
			$list = [];
			foreach($data['results'] as $row){
				$list[] = [
					'DomainId' => $row['id'],
					'Domain' => rtrim($row['displayDomain'], '.'),
					'RecordCount' => 0,
				];
			}
			return ['total' => $data['total'], 'list' => $list];
		}
		return false;
	}

	//获取解析记录列表
	public function getDomainRecords($PageNumber=1, $PageSize=20, $KeyWord = null, $SubDomain = null, $Value = null, $Type = null, $Line = null, $Status = null){
		$param = ['domainId' => $this->domainid, 'pageIndex' => $PageNumber, 'pageSize' => $PageSize];
		if(!isNullOrEmpty(($KeyWord))){
			$param['host'] = $KeyWord;
		}
		if(!isNullOrEmpty(($Type))){
			$param['type'] = $this->convertType($Type);
		}
		if(!isNullOrEmpty(($Line))){
			$param['lineId'] = $Line;
		}
		if(!isNullOrEmpty(($SubDomain))){
			$param['host'] = $SubDomain;
		}
		if(!isNullOrEmpty(($Value))){
			$param['data'] = $Value;
		}
		$data = $this->execute('GET', '/api/recordList', $param);
		if($data){
			$list = [];
			foreach($data['results'] as $row){
				$list[] = [
					'RecordId' => $row['id'],
					'Domain' => $this->domain,
					'Name' => $row['host'],
					'Type' => $this->convertTypeId($row['type'], isset($row['domaint']) ? $row['domaint'] : false),
					'Value' => $row['data'],
					'Line' => $row['lineId'],
					'TTL' => $row['ttl'],
					'MX' => isset($row['preference']) ? $row['preference'] : null,
					'Status' => $row['disable'] ? '0' : '1',
					'Weight' => isset($row['weight']) ? $row['weight'] : null,
					'Remark' => null,
					'UpdateTime' => date('Y-m-d H:i:s', $row['updatedAt']),
				];
			}
			return ['total' => $data['total'], 'list' => $list];
		}
		return false;
	}

	//获取子域名解析记录列表
	public function getSubDomainRecords($SubDomain, $PageNumber=1, $PageSize=20, $Type = null, $Line = null){
		if($SubDomain == '')$SubDomain='@';
		return $this->getDomainRecords($PageNumber, $PageSize, null, $SubDomain, null, $Type, $Line);
	}

	//获取解析记录详细信息
	public function getDomainRecordInfo($RecordId){
		return false;
	}

	//添加解析记录
	public function addDomainRecord($Name, $Type, $Value, $Line = '0', $TTL = 600, $MX = 1, $Remark = null){
		$param = ['domainId' => $this->domainid, 'type' => $this->convertType($Type), 'host' => $Name, 'data' => $Value, 'ttl' => intval($TTL), 'lineId' => $Line];
		if($Type == 'MX')$param['preference'] = intval($MX);
		if($Type == 'REDIRECT_URL'){$param['type'] = 256;$param['dominant'] = true;}
		elseif($Type == 'FORWARD_URL'){$param['type'] = 256;$param['dominant'] = false;}
		$data = $this->execute('POST', '/api/record', $param);
		return is_array($data) ? $data['id'] : false;
	}

	//修改解析记录
	public function updateDomainRecord($RecordId, $Name, $Type, $Value, $Line = '0', $TTL = 600, $MX = 1, $Remark = null){
		$param = ['id' => $RecordId, 'type' => $this->convertType($Type), 'host' => $Name, 'data' => $Value, 'ttl' => intval($TTL), 'lineId' => $Line];
		if($Type == 'MX')$param['preference'] = intval($MX);
		if($Type == 'REDIRECT_URL'){$param['type'] = 256;$param['dominant'] = true;}
		elseif($Type == 'FORWARD_URL'){$param['type'] = 256;$param['dominant'] = false;}
		$data = $this->execute('PUT', '/api/record', $param);
		return $data!==false;
	}

	//修改解析记录备注
	public function updateDomainRecordRemark($RecordId, $Remark){
		return false;
	}

	//删除解析记录
	public function deleteDomainRecord($RecordId){
		$param = ['id' => $RecordId];
		$data = $this->execute('DELETE', '/api/record', $param);
		return $data!==false;
	}

	//设置解析记录状态
	public function setDomainRecordStatus($RecordId, $Status){
		$param = ['id' => $RecordId, 'disable' => $Status == '0' ? true : false];
		$data = $this->execute('PUT', '/api/recordDisable', $param);
		return $data!==false;
	}

	//获取解析记录操作日志
	public function getDomainRecordLog($PageNumber = 1, $PageSize = 20, $KeyWord = null, $StartDate = null, $endDate = null){
		return false;
	}

	//获取解析线路列表
	public function getRecordLine(){
		$param = ['domain' => $this->domain];
		$data = $this->execute('GET', '/api/availableLine', $param);
		if($data){
			array_multisort(array_column($data, 'order'), SORT_ASC, $data);
			$list = [];
			foreach($data as $row){
				if($row['id'] == '0') $row['id'] = '';
				$list[$row['id']] = ['name'=>$row['value'], 'parent'=>!empty($row['pid']) ? $row['pid'] : null];
			}
			return $list;
		}
		return false;
	}
	
	//获取域名信息
	public function getDomainInfo(){
		$param = ['id' => $this->domainid];
		$data = $this->execute('GET', '/api/domain', $param);
		return $data;
	}

	//获取域名最低TTL
	public function getMinTTL(){
		$param = ['id' => $this->domainid];
		$data = $this->execute('GET', '/api/dnsMeasures', $param);
		if($data && isset($data['minTTL'])){
			return $data['minTTL'];
		}
		return false;
	}

	private function convertType($type){
		$typeList = array_flip($this->typeList);
		return $typeList[$type];
	}

	private function convertTypeId($typeId, $domaint){
		if($typeId == 256) return $domaint ? 'REDIRECT_URL' : 'FORWARD_URL';
		return $this->typeList[$typeId];
	}

	private function execute($method, $path, $params = null){
		$token = base64_encode($this->apiid.':'.$this->apisecret);
		$header = ['Authorization: Basic '.$token, 'Content-Type: application/json; charset=utf-8'];
		if($method == 'POST' || $method == 'PUT'){
			$response = $this->curl($method, $path, $header, json_encode($params));
		}else{
			if($params){
				$path .= '?'.http_build_query($params);
			}
			$response = $this->curl($method, $path, $header);
		}
		if(!$response){
			return false;
		}
		$arr=json_decode($response,true);
		if($arr){
			if($arr['code'] == 200){
				return $arr['data'];
			}else{
				$this->setError($arr['msg']);
				return false;
			}
		}else{
			$this->setError('返回数据解析失败');
			return false;
		}
	}

	private function curl($method, $path, $header, $body = null, $isPut = false){
		$url = $this->baseUrl . $path;
		$ch = curl_init($url);
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
		curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
		curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($ch, CURLOPT_TIMEOUT, 10);
		curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
		if ($body) {
            curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
        }
		$response = curl_exec($ch);
		$errno = curl_errno($ch);
		if ($errno) {
			$this->setError('Curl error: ' . curl_error($ch));
		}
		$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
		curl_close($ch);
		if ($errno) return false;
		if($httpCode==200){
			return $response;
		}elseif($httpCode==401){
			$this->setError('认证失败');
			return false;
		}else{
			$this->setError('http code: '.$httpCode);
			return false;
		}
	}

	private function setError($message){
		$this->error = $message;
		//file_put_contents('logs.txt',date('H:i:s').' '.$message."\r\n", FILE_APPEND);
	}
}